Update format

David PHAM-VAN
Commit c0866a87578bb45a7cc6a79517edbf53b3605812 c0866a87 1 parent 4aef6b80
Showing 2 changed files with 63 additions and 63 deletions
printing/CHANGELOG.md
printing/ios/Classes/PrintJob.swift
--- a/printing/CHANGELOG.md
View file @c0866a8
+++ b/printing/CHANGELOG.md
View file @c0866a8
@@ -8,6 +8,7 @@
 - Fix wrong format in directPrintPdf [<AlhasanAlQaisi>]
 - Add compatibility with Android Gradle Plugin 8.0 [asaarnak]
 - Add compatibility with  Flutter 3.10
+- Re-init UIPrinter cause issues with delegate [Hasan]
 ## 5.10.3
--- a/printing/ios/Classes/PrintJob.swift
View file @c0866a8
+++ b/printing/ios/Classes/PrintJob.swift
View file @c0866a8
@@ -36,14 +36,14 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
     private let semaphore = DispatchSemaphore(value: 0)
     private var dynamic = false
     private var currentSize: CGSize?
-    
+
     public init(printing: PrintingPlugin, index: Int) {
         self.printing = printing
         self.index = index
         pdfDocument = nil
         super.init()
     }
-    
+
     override public func drawPage(at pageIndex: Int, in _: CGRect) {
         let ctx = UIGraphicsGetCurrentContext()
         let page = pdfDocument?.page(at: pageIndex + 1)
@@ -53,7 +53,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             ctx?.drawPDFPage(page!)
         }
     }
-    
+
     func cancelJob(_ error: String?) {
         pdfDocument = nil
         if dynamic {
@@ -62,23 +62,23 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             printing.onCompleted(printJob: self, completed: false, error: error as NSString?)
         }
     }
-    
+
     func setDocument(_ data: Data?) {
         let bytesPointer = UnsafeMutablePointer<UInt8>.allocate(capacity: data?.count ?? 0)
         data?.copyBytes(to: bytesPointer, count: data?.count ?? 0)
         let dataProvider = CGDataProvider(dataInfo: nil, data: bytesPointer, size: data?.count ?? 0, releaseData: dataProviderReleaseDataCallback)
         pdfDocument = CGPDFDocument(dataProvider!)
-        
+
         if dynamic {
             // Unblock the main thread
             semaphore.signal()
             return
         }
-        
+
         DispatchQueue.main.async { [self] in
             let controller = UIPrintInteractionController.shared
             controller.delegate = self
-            
+
             let printInfo = UIPrintInfo.printInfo()
             printInfo.jobName = jobName!
             printInfo.outputType = .general
@@ -88,27 +88,27 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             }
             controller.printInfo = printInfo
             controller.printPageRenderer = self
-            
+
             if self.printerName != nil {
                 let printerURL = URL(string: self.printerName!)
-                
+
                 if printerURL == nil {
                     self.printing.onCompleted(printJob: self, completed: false, error: "Unable to find printer URL")
                     return
                 }
-                
+
                 let printerURLString = printerURL!.absoluteString
-                
+
                 if !selectedPrinters.keys.contains(printerURLString) {
                     selectedPrinters[printerURLString] = UIPrinter(url: printerURL!)
                 }
-                
+
                 selectedPrinters[printerURLString]!.contactPrinter { available in
                     if !available {
                         self.printing.onCompleted(printJob: self, completed: false, error: "Printer not available")
                         return
                     }
-                    
+
                     controller.print(to: selectedPrinters[printerURLString]!, completionHandler: self.completionHandler)
                 }
             } else {
@@ -116,7 +116,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             }
         }
     }
-    
+
     override public var numberOfPages: Int {
         if dynamic {
             printing.onLayout(
@@ -128,32 +128,32 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                 marginRight: paperRect.size.width - (printableRect.origin.x + printableRect.size.width),
                 marginBottom: paperRect.size.height - (printableRect.origin.y + printableRect.size.height)
             )
-            
+
             // Block the main thread, waiting for a document
             semaphore.wait()
         }
-        
+
         return pdfDocument?.numberOfPages ?? 0
     }
-    
+
     func completionHandler(printController _: UIPrintInteractionController, completed: Bool, error: Error?) {
         if !completed, error != nil {
             print("Unable to print: \(error?.localizedDescription ?? "unknown error")")
         }
-        
+
         printing.onCompleted(printJob: self, completed: completed, error: error?.localizedDescription as NSString?)
     }
-    
-    public func printInteractionController(_ printController: UIPrintInteractionController, choosePaper paperList: [UIPrintPaper]) -> UIPrintPaper {
+
+    public func printInteractionController(_: UIPrintInteractionController, choosePaper paperList: [UIPrintPaper]) -> UIPrintPaper {
         if currentSize == nil {
             return paperList[0]
         }
-        
+
         let bestPaper = UIPrintPaper.bestPaper(forPageSize: currentSize!, withPapersFrom: paperList)
-        
+
         return bestPaper
     }
-    
+
     func printPdf(name: String, withPageSize size: CGSize, andMargin margin: CGRect, withPrinter printerID: String?, dynamically dyn: Bool) {
         currentSize = size
         dynamic = dyn
@@ -162,17 +162,17 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             self.printing.onCompleted(printJob: self, completed: false, error: "Printing not available")
             return
         }
-        
+
         if size.width > size.height {
             orientation = UIPrintInfo.Orientation.landscape
         }
-        
+
         jobName = name
         printerName = printerID
-        
+
         let controller = UIPrintInteractionController.shared
         controller.delegate = self
-        
+
         let printInfo = UIPrintInfo.printInfo()
         printInfo.jobName = jobName!
         printInfo.outputType = .general
@@ -182,40 +182,39 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
         }
         controller.printInfo = printInfo
         controller.showsPaperSelectionForLoadedPapers = true
-        
+
         controller.printPageRenderer = self
-        
+
         if printerID != nil {
             let printerURL = URL(string: printerID!)
-            
+
             if printerURL == nil {
                 self.printing.onCompleted(printJob: self, completed: false, error: "Unable to find printer URL")
                 return
             }
-            
+
             let printerURLString = printerURL!.absoluteString
-            
+
             if !selectedPrinters.keys.contains(printerURLString) {
                 selectedPrinters[printerURLString] = UIPrinter(url: printerURL!)
             }
-            
-            
+
             selectedPrinters[printerURLString]!.contactPrinter { available in
                 if !available {
                     self.printing.onCompleted(printJob: self, completed: false, error: "Printer not available")
                     return
                 }
-                
+
                 controller.print(to: selectedPrinters[printerURLString]!, completionHandler: self.completionHandler)
             }
             return
         }
-        
+
         if dynamic {
             controller.present(animated: true, completionHandler: completionHandler)
             return
         }
-        
+
         self.printing.onLayout(
             printJob: self,
             width: size.width,
@@ -226,18 +225,18 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             marginBottom: size.height - margin.maxY
         )
     }
-    
+
     static func sharePdf(data: Data, withSourceRect rect: CGRect, andName name: String, subject: String?, body: String?) {
         let tmpDirURL = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true)
         let fileURL = tmpDirURL.appendingPathComponent(name)
-        
+
         do {
             try data.write(to: fileURL, options: .atomic)
         } catch {
             print("sharePdf error: \(error.localizedDescription)")
             return
         }
-        
+
         let activityViewController = UIActivityViewController(activityItems: [fileURL, body as Any], applicationActivities: nil)
         activityViewController.setValue(subject, forKey: "subject")
         if UIDevice.current.userInterfaceIdiom == .pad {
@@ -247,7 +246,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
         }
         UIApplication.shared.keyWindow?.rootViewController?.present(activityViewController, animated: true)
     }
-    
+
     func convertHtml(_ data: String, withPageSize rect: CGRect, andMargin margin: CGRect, andBaseUrl baseUrl: URL?) {
         let viewController = UIApplication.shared.delegate?.window?!.rootViewController
         let wkWebView = WKWebView(frame: viewController!.view.bounds)
@@ -255,32 +254,32 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
         wkWebView.tag = 100
         viewController?.view.addSubview(wkWebView)
         wkWebView.loadHTMLString(data, baseURL: baseUrl ?? Bundle.main.bundleURL)
-        
+
         urlObservation = wkWebView.observe(\.isLoading, changeHandler: { _, _ in
             // this is workaround for issue with loading local images
             DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                 // assign the print formatter to the print page renderer
                 let renderer = UIPrintPageRenderer()
                 renderer.addPrintFormatter(wkWebView.viewPrintFormatter(), startingAtPageAt: 0)
-                
+
                 // assign paperRect and printableRect values
                 renderer.setValue(rect, forKey: "paperRect")
                 renderer.setValue(margin, forKey: "printableRect")
-                
+
                 // create pdf context and draw each page
                 let pdfData = NSMutableData()
                 UIGraphicsBeginPDFContextToData(pdfData, rect, nil)
-                
+
                 for i in 0 ..< renderer.numberOfPages {
                     UIGraphicsBeginPDFPage()
                     renderer.drawPage(at: i, in: UIGraphicsGetPDFContextBounds())
                 }
-                
+
                 UIGraphicsEndPDFContext()
-                
+
                 if let viewWithTag = viewController?.view.viewWithTag(wkWebView.tag) {
                     viewWithTag.removeFromSuperview() // remove hidden webview when pdf is generated
-                    
+
                     // clear WKWebView cache
                     if #available(iOS 9.0, *) {
                         WKWebsiteDataStore.default().fetchDataRecords(ofTypes: WKWebsiteDataStore.allWebsiteDataTypes()) { records in
@@ -290,17 +289,17 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                         }
                     }
                 }
-                
+
                 // dispose urlObservation
                 self.urlObservation = nil
                 self.printing.onHtmlRendered(printJob: self, pdfData: pdfData as Data)
             }
         })
     }
-    
+
     static func pickPrinter(result: @escaping FlutterResult, withSourceRect rect: CGRect) {
         let controller = UIPrinterPickerController(initiallySelectedPrinter: nil)
-        
+
         let pickPrinterCompletionHandler: UIPrinterPickerController.CompletionHandler = {
             (printerPickerController: UIPrinterPickerController, completed: Bool, error: Error?) in
             if !completed, error != nil {
@@ -308,12 +307,12 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                 result(nil)
                 return
             }
-            
+
             if printerPickerController.selectedPrinter == nil {
                 result(nil)
                 return
             }
-            
+
             let printer = printerPickerController.selectedPrinter!
             let data: NSDictionary = [
                 "url": printer.url.absoluteString as Any,
@@ -323,7 +322,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             ]
             result(data)
         }
-        
+
         if UIDevice.current.userInterfaceIdiom == .pad {
             let viewController: UIViewController? = UIApplication.shared.keyWindow?.rootViewController
             if viewController != nil {
@@ -331,10 +330,10 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                 return
             }
         }
-        
+
         controller.present(animated: true, completionHandler: pickPrinterCompletionHandler)
     }
-    
+
     public func rasterPdf(data: Data, pages: [Int]?, scale: CGFloat) {
         guard
             let provider = CGDataProvider(data: data as CFData),
@@ -343,10 +342,10 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             printing.onPageRasterEnd(printJob: self, error: "Cannot raster a malformed PDF file")
             return
         }
-        
+
         DispatchQueue.global().async {
             let pageCount = document.numberOfPages
-            
+
             for pageNum in pages ?? Array(0 ... pageCount - 1) {
                 guard let page = document.page(at: pageNum + 1) else { continue }
                 let angle = CGFloat(page.rotationAngle) * CGFloat.pi / -180
@@ -355,7 +354,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                 let height = Int(abs((cos(angle) * rect.height + sin(angle) * rect.width) * scale))
                 let stride = width * 4
                 var data = Data(repeating: 0, count: stride * height)
-                
+
                 data.withUnsafeMutableBytes { (outputBytes: UnsafeMutableRawBufferPointer) in
                     let rgb = CGColorSpaceCreateDeviceRGB()
                     let context = CGContext(
@@ -367,7 +366,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                         space: rgb,
                         bitmapInfo: CGImageAlphaInfo.premultipliedLast.rawValue
                     )
-                    
+
                     if context != nil {
                         context!.translateBy(x: CGFloat(width) / 2, y: CGFloat(height) / 2)
                         context!.scaleBy(x: scale, y: scale)
@@ -376,18 +375,18 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                         context!.drawPDFPage(page)
                     }
                 }
-                
+
                 DispatchQueue.main.sync {
                     self.printing.onPageRasterized(printJob: self, imageData: data, width: width, height: height)
                 }
             }
-            
+
             DispatchQueue.main.sync {
                 self.printing.onPageRasterEnd(printJob: self, error: nil)
             }
         }
     }
-    
+
     public static func printingInfo() -> NSDictionary {
         let data: NSDictionary = [
             "directPrint": true,